CN106765451A - A kind of frost-free type solution heat pump device - Google Patents
A kind of frost-free type solution heat pump device Download PDFInfo
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- 239000003507 refrigerant Substances 0.000 claims abstract description 200
- 238000003860 storage Methods 0.000 claims description 67
- 239000007788 liquid Substances 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 238000007791 dehumidification Methods 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 10
- 230000008929 regeneration Effects 0.000 abstract description 10
- 238000011069 regeneration method Methods 0.000 abstract description 10
- 238000009833 condensation Methods 0.000 abstract description 8
- 230000005494 condensation Effects 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 9
- 238000005192 partition Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
- F24D5/12—Hot-air central heating systems; Exhaust gas central heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/13—Hot air central heating systems using heat pumps
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- Thermal Sciences (AREA)
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- Other Air-Conditioning Systems (AREA)
Abstract
本发明公开一种无霜型溶液热泵装置，分别将预冷/蒸发/除湿一体化和预热/冷凝/再生一体溶液式热质交换器、风机、水泵及溶液泵等主要部件组成。在构建溶液式热质交换化，并结合热泵原理和热回收技术，是一种节能高效的复合型热泵系统装置，它由器的基础上，使用制冷剂对溶液进行预冷/预热，并对装置进行内冷/内热，利用除湿溶液吸收室外空气中水分凝结的潜热给制冷剂蒸发提供热量，采用热泵原理利用制冷剂凝结放热加热再生溶液，再由溶液对需处理的空气加热和加湿，这样既提高装置性能，又克服了传统空调冬季结霜的问题，使得系统可以持续高效供热。
The invention discloses a frost-free solution heat pump device, which is composed of precooling/evaporation/dehumidification integration and preheating/condensation/regeneration integrated solution heat mass exchanger, fan, water pump, solution pump and other main components. In the construction of solution-type heat and mass exchange, combined with heat pump principle and heat recovery technology, it is an energy-saving and efficient composite heat pump system device. On the basis of the device, it uses refrigerant to precool/preheat the solution, and Internal cooling/internal heating of the device, use the dehumidification solution to absorb the latent heat of moisture condensation in the outdoor air to provide heat for the evaporation of the refrigerant, use the heat pump principle to use the heat of the refrigerant condensation to heat the regeneration solution, and then use the solution to heat and humidify the air to be treated , which not only improves the performance of the device, but also overcomes the problem of frosting of traditional air conditioners in winter, so that the system can continue to provide heat efficiently.
Description
技术领域technical field
本发明属于热泵、除湿再生和蓄能装置制造的技术领域，具体涉及一种无霜型溶液热泵装置。The invention belongs to the technical field of manufacturing heat pumps, dehumidification regeneration and energy storage devices, and in particular relates to a frost-free solution heat pump device.
背景技术Background technique
我国长江中下游地区夏季高温高湿，冬季阴冷潮湿，GDP和人口都占全国近半，随着我国城镇化加速发展和人们对居住环境要求日益提高，使得该地区供冷供热能耗巨大，冬季供暖需求迫切，但却不能照搬北方供暖模式。The middle and lower reaches of the Yangtze River in my country are hot and humid in summer and cold and humid in winter. Both GDP and population account for nearly half of the country. With the accelerated development of urbanization in my country and people's increasing requirements for living environment, the energy consumption of cooling and heating in this area is huge. The demand for heating in winter is urgent, but the northern heating model cannot be copied.
目前，作为南方供暖常采用的模式有风冷热泵、燃气壁挂炉采暖及直接电采暖。燃气壁挂炉采暖需消耗大量天然气资源，这对日益紧张的化石能源供应提出挑战，并且运行费用较高。直接电取暖无疑是一种非常浪费的能源利用模式。相对而言，风冷热泵具有一定的节能潜力，但是在长江中下游地区面临冬季结霜除霜的难题，不能连续高效供暖。At present, the modes commonly used for heating in the south include air-cooled heat pump, gas wall-hung boiler heating and direct electric heating. Gas-fired wall-hung boilers consume a large amount of natural gas resources for heating, which poses a challenge to the increasingly tight supply of fossil energy, and the operating costs are relatively high. Direct electric heating is undoubtedly a very wasteful energy utilization mode. Relatively speaking, the air-cooled heat pump has a certain energy-saving potential, but in the middle and lower reaches of the Yangtze River, it faces the problem of frosting and defrosting in winter, and cannot provide continuous and efficient heating.
将溶液除湿再生系统和热泵系统相结合能使热泵系统在冬季连续高效运行，因此研发新型高效紧凑的溶液式热泵系统对解决夏热冬冷地区供暖问题具有重要工程应用价值。Combining the solution dehumidification regeneration system and the heat pump system can make the heat pump system run continuously and efficiently in winter. Therefore, the development of a new type of efficient and compact solution heat pump system has important engineering application value for solving the heating problem in hot summer and cold winter areas.
发明内容Contents of the invention
传统的风冷热泵系统冬季均会结霜，而除霜的间歇运作会导致效率下降；为将解决该问题可引入溶液除湿系统，而传统溶液除湿/再生装置大都是绝热型，除湿/再生过程中效果会随着溶液温度变化而降低；另外单独设置溶液除湿再生系统和风冷热泵装置会导致系统结构复杂，同时对于机房面积也有较高要求。本发明提供一种无霜型溶液热泵装置及方法，能有效的解决上述问题。The traditional air-cooled heat pump system will frost in winter, and the intermittent operation of defrosting will lead to a decrease in efficiency; in order to solve this problem, a solution dehumidification system can be introduced, and most of the traditional solution dehumidification/regeneration devices are adiabatic, and the dehumidification/regeneration process The medium effect will decrease with the change of solution temperature; in addition, separately setting up the solution dehumidification regeneration system and air-cooled heat pump device will lead to complex system structure, and also have high requirements for the area of the machine room. The present invention provides a frost-free solution heat pump device and method, which can effectively solve the above problems.
本发明的一种无霜型溶液热泵装置包括空气回路、溶液回路和制冷剂回路。A frost-free solution heat pump device of the present invention includes an air circuit, a solution circuit and a refrigerant circuit.
空气回路由风机、风阀、热交换器、溶液式热质交换器等设备组成。一方面利用室外空气与1#溶液式热质交换器内溶液做热湿交换，另一方面从房间出来的回风和室外新风通过风阀调节流量混合后进入2#溶液式热质交换器进行处理，混合部分回风送入室内，系统排风与制冷剂进行热交换后排出室外。The air circuit is composed of fans, air valves, heat exchangers, solution heat and mass exchangers and other equipment. On the one hand, the outdoor air is used to exchange heat and moisture with the solution in the 1# solution-type heat-mass exchanger; The mixed part of the return air is sent into the room, and the system exhaust air exchanges heat with the refrigerant and then is discharged outside.
第一个空气子回路，风管A连接1#溶液式热质交换器的集风静压箱和第三风机；第二个空气子回路，2#溶液式热质交换器远离1#溶液式热质交换器一侧的集风静压箱接入混合风管J，混合风管J连接室外新风管E和回风管H，且室外新风管E上连接第二热交换器；2#溶液式热质交换器靠近1#溶液式热质交换器一侧的集风静压箱连接混合风出口F，混合风出口F连接送风管I和第四风阀，送风管I连接第一风机，第一风机1出风口连接安置于室内的送风口K，第四风阀左侧分别连接回风管G与风管D，回风管G和回风管H并联连接，后和第二风机连接，第二风机连接室内回风口L，风管D连接第一热交换器。In the first air sub-circuit, air duct A is connected to the plenum and the third fan of the 1# solution heat and mass exchanger; in the second air sub circuit, the 2# solution heat and mass exchanger is far away from the 1# solution type The air-collecting plenum box on one side of the heat-mass exchanger is connected to the mixing duct J, and the mixing duct J is connected to the outdoor fresh air duct E and the return air duct H, and the outdoor fresh air duct E is connected to the second heat exchanger; 2 #Solution-type heat-mass exchanger The air-collecting plenum box near the 1# solution-type heat-mass exchanger is connected to the mixed air outlet F, and the mixed air outlet F is connected to the air supply pipe I and the fourth air valve, and the air supply pipe I is connected to The first fan, the air outlet of the first fan 1 is connected to the indoor air supply outlet K, the left side of the fourth air valve is respectively connected to the return air duct G and the air duct D, the return air duct G and the return air duct H are connected in parallel, and the rear and The second fan is connected, the second fan is connected to the indoor return air outlet L, and the air duct D is connected to the first heat exchanger.
所述回风管H上设有第一风阀，送风管I上设有第二风阀，回风管G上设有第三风阀。The air return pipe H is provided with a first air valve, the air supply pipe I is provided with a second air valve, and the air return pipe G is provided with a third air valve.
溶液回路由第一溶液泵、第二溶液泵、溶液管α、溶液管γ、1#溶液式热质交换器、2#溶液式热质交换器、溶液热回收器组成。1#溶液式热质交换器连接溶液管α和溶液管δ，溶液管α上设有第一溶液泵，2#溶液式热质交换器连接溶液管γ和溶液管β，溶液管γ上设有第二溶液泵，溶液管α、溶液管γ、溶液管δ、和溶液管β均连接进行显热交换的溶液热回收器。The solution loop is composed of the first solution pump, the second solution pump, solution pipe α, solution pipe γ, 1# solution heat-mass exchanger, 2# solution heat-mass exchanger, and solution heat recovery device. 1# solution-type heat-mass exchanger is connected to solution pipe α and solution pipe δ, and the first solution pump is installed on solution pipe α; 2# solution-type heat-mass exchanger is connected to solution pipe γ and solution pipe β, and solution pipe γ is equipped with There is a second solution pump, and the solution pipe α, solution pipe γ, solution pipe δ, and solution pipe β are all connected to a solution heat recovery device for sensible heat exchange.
制冷剂回路由制冷剂管a、制冷剂管b、制冷剂管c、制冷剂管d、制冷剂管e、制冷剂管f、制冷剂管g、压缩机、第一热交换器、第二热交换器、第一制冷剂阀、第二制冷剂阀、第三制冷剂阀、第四制冷剂阀、第一膨胀阀、第二膨胀阀、四通换向阀、1#溶液式热质交换器、2#溶液式热质交换器组成，1#溶液式热质交换器的上部制冷剂储存箱连接制冷剂管b，制冷剂管b连接四通换向阀，四通换向阀还连接有制冷剂管a、制冷剂管d和制冷剂管c，制冷剂管a连接压缩机回到制冷剂管c，制冷剂管d连接2#溶液式热质交换器的上部制冷剂储存箱，2#溶液式热质交换器的上部制冷剂储存箱和下部制冷剂储存箱依靠制冷剂套管连接，下部制冷剂储存箱通过制冷剂管g一路连接第三制冷剂阀，另一路连接第四制冷剂阀和第二热交换器，且制冷剂管g上设有第二膨胀阀，两路并联后通过制冷剂管f一路连接第二制冷剂阀，一路连接第一热交换器和第一制冷剂阀，两路并联后由制冷剂管e连接1#溶液式热质交换器中的下部制冷剂储存箱，且制冷剂管e上设有第一膨胀阀。The refrigerant circuit consists of refrigerant pipe a, refrigerant pipe b, refrigerant pipe c, refrigerant pipe d, refrigerant pipe e, refrigerant pipe f, refrigerant pipe g, compressor, first heat exchanger, second Heat exchanger, first refrigerant valve, second refrigerant valve, third refrigerant valve, fourth refrigerant valve, first expansion valve, second expansion valve, four-way reversing valve, 1# solution heat mass Exchanger, 2# solution-type heat-mass exchanger, the upper refrigerant storage tank of 1# solution-type heat-mass exchanger is connected to refrigerant pipe b, refrigerant pipe b is connected to the four-way reversing valve, and the four-way reversing valve is also Refrigerant pipe a, refrigerant pipe d and refrigerant pipe c are connected, refrigerant pipe a is connected to the compressor and returned to refrigerant pipe c, and refrigerant pipe d is connected to the upper refrigerant storage tank of the 2# solution heat-mass exchanger , the upper refrigerant storage tank and the lower refrigerant storage tank of the 2# solution type heat-mass exchanger are connected by refrigerant sleeves, and the lower refrigerant storage tank is connected to the third refrigerant valve through the refrigerant pipe g, and the other is connected to the third refrigerant valve. Four refrigerant valves and the second heat exchanger, and the refrigerant pipe g is provided with a second expansion valve, and after the two circuits are connected in parallel, one path is connected to the second refrigerant valve through the refrigerant pipe f, and one path is connected to the first heat exchanger and the second refrigerant valve. A refrigerant valve, after the two circuits are connected in parallel, the refrigerant pipe e is connected to the lower refrigerant storage tank in the 1# solution heat-mass exchanger, and the refrigerant pipe e is provided with a first expansion valve.
制冷剂在制冷剂套管内对溶液进行预冷/预热的同时，也在热质交换器中起着内冷/内热的作用。制冷剂在溶液式热质交换器、热交换器、膨胀阀、压缩机的环路中循环，完成整个回路工作。While the refrigerant pre-cools/preheats the solution in the refrigerant jacket, it also plays the role of internal cooling/internal heating in the heat-mass exchanger. Refrigerant circulates in the loop of the solution heat-mass exchanger, heat exchanger, expansion valve, and compressor to complete the entire loop.
所述溶液式热质交换器，包括热湿处理箱、溶液储液盘、集风静压箱、集液盘、制冷剂储存箱、溶液储存箱、溶液管、散装填料、制冷剂套管、网孔填料隔板、溶液通道、网孔布液板。The solution-type heat and mass exchanger includes a heat and humidity treatment tank, a solution storage pan, an air-collecting static plenum tank, a liquid collection pan, a refrigerant storage tank, a solution storage tank, a solution pipe, bulk packing, a refrigerant casing, Mesh filler partition, solution channel, mesh liquid distribution plate.
溶液式热质交换器顶部和底部均为溶液储存箱，上下溶液储存箱通过溶液管连通，且上下溶液储存箱之间为上下制冷剂储存箱，上下制冷剂储存箱中间为热湿处理箱，且热湿处理箱内设制冷剂套管，所述制冷剂套管包裹溶液管，热湿处理箱内填充散装填料，热湿处理箱左右为网孔填料隔板，分别外接集风静压箱，热湿处理箱前后为钢板，热湿处理箱内顶端设网孔布液板，溶液储存箱与溶液储液盘之间设有溶液通道。The top and bottom of the solution-type heat-mass exchanger are solution storage tanks, the upper and lower solution storage tanks are connected through solution pipes, and the upper and lower solution storage tanks are the upper and lower refrigerant storage tanks, and the middle of the upper and lower refrigerant storage tanks is a heat and humidity treatment tank. And the heat and humidity treatment box is equipped with a refrigerant casing, the refrigerant casing wraps the solution pipe, and the heat and humidity treatment box is filled with bulk packing. , The front and back of the heat and humidity treatment box are steel plates, the top of the heat and humidity treatment box is provided with a mesh liquid distribution plate, and a solution channel is provided between the solution storage box and the solution liquid storage plate.
无霜型溶液热泵系统分别将预冷蒸发除湿一体化和预热冷凝再生一体化，是一种节能高效的复合型系统装置，既可提高性能、节约能耗，又可节省装置所需空间，同时解决了传统空调冬季结霜的问题，使得系统可以持续高效供热。The frost-free solution heat pump system integrates pre-cooling, evaporation and dehumidification and pre-heating, condensation and regeneration respectively. It is an energy-saving and efficient composite system device, which can not only improve performance, save energy consumption, but also save space required for the device. At the same time, it solves the problem of frosting of traditional air conditioners in winter, so that the system can provide continuous and efficient heating.
本发明的有益效果是：The beneficial effects of the present invention are:
1）利用两个溶液热质交换器内的制冷剂蒸发吸热量和冷凝放热量对溶液进行预冷/预热的同时，也对除湿器和再生器进行内冷/内热，极大程度上节约能耗；1) While pre-cooling/preheating the solution by using the refrigerant evaporation heat and condensation heat release in the two solution heat-mass exchangers, the dehumidifier and regenerator are also internally cooled/heated, to a great extent save energy consumption;
2）通过采用两个溶液热质交换器分别实现预冷蒸发除湿一体化和预热冷凝再生一体化应用，在提高系统性能的同时，不仅降低了系统装置的复杂程度还节省了装置所需空间；2) By using two solution heat and mass exchangers to realize the integration of pre-cooling, evaporation and dehumidification and the integration of pre-heating, condensation and regeneration respectively, while improving the system performance, it not only reduces the complexity of the system device but also saves the space required for the device ;
3）冬季运行时，溶液从室外空气中吸收水分凝结的潜热，既提高装置性能，又克服了传统空调冬季结霜的问题，使得系统可以持续高效供热。3) During winter operation, the solution absorbs the latent heat of water condensation from the outdoor air, which not only improves the performance of the device, but also overcomes the problem of frosting in traditional air conditioners in winter, so that the system can continue to provide heat efficiently.
附图说明Description of drawings
图1 是本发明的无霜型溶液热泵装置及方法的原理示意图。Fig. 1 is a schematic diagram of the principle of the frost-free solution heat pump device and method of the present invention.
其中：第一风机1、第二风机2、第三风机3、第一风阀4、第二风阀5、第三风阀6、第四风阀7、压缩机8、第一热交换器9、第二热交换器10、第一制冷剂阀11、第二制冷剂阀12、第三制冷剂阀13、第四制冷剂阀14、第一膨胀阀15、第二膨胀阀16、第一溶液泵17、第二溶液泵18、四通换向阀19、1#溶液式热质交换器20、2#溶液式热质交换器21、溶液热回收器22、集风静压箱23。Among them: first fan 1, second fan 2, third fan 3, first damper 4, second damper 5, third damper 6, fourth damper 7, compressor 8, first heat exchanger 9. The second heat exchanger 10, the first refrigerant valve 11, the second refrigerant valve 12, the third refrigerant valve 13, the fourth refrigerant valve 14, the first expansion valve 15, the second expansion valve 16, the second 1st solution pump 17, 2nd solution pump 18, 4-way reversing valve 19, 1# solution-type heat-mass exchanger 20, 2# solution-type heat-mass exchanger 21, solution heat recovery device 22, air collection static pressure box 23 .
风管A、排风口B、排风口C、风管D、室外新风管E、混合风出口F、回风管G、回风管H、送风管I、混合风管J、送风口K、回风口L。Air duct A, exhaust port B, exhaust port C, air duct D, outdoor fresh air duct E, mixed air outlet F, return air duct G, return air duct H, air supply duct I, mixing air duct J, delivery Air outlet K, return air outlet L.
制冷剂管a、制冷剂管b、制冷剂管c、制冷剂管d、制冷剂管e、制冷剂管f、制冷剂管g。Refrigerant pipe a, refrigerant pipe b, refrigerant pipe c, refrigerant pipe d, refrigerant pipe e, refrigerant pipe f, refrigerant pipe g.
溶液管α、溶液管β、溶液管γ、溶液管δ。Solution tube α, solution tube β, solution tube γ, solution tube δ.
图2 是本发明的溶液式热质交换器详图。Fig. 2 is a detailed diagram of the solution heat and mass exchanger of the present invention.
其中：溶液储液盘24、集风静压箱25、集液盘26、制冷剂储存箱27、溶液储存箱28、溶液管29、散装填料30、制冷剂套管31、网孔填料隔板32、溶液通道33、网孔布液板34、热湿处理箱35。Among them: solution liquid storage pan 24, air collection static pressure box 25, liquid collection pan 26, refrigerant storage tank 27, solution storage tank 28, solution pipe 29, bulk packing 30, refrigerant casing 31, mesh packing partition 32. Solution channel 33, mesh liquid distribution plate 34, heat and humidity treatment box 35.
具体实施方式detailed description
结合附图1和2对本发明的技术方案作进一步的描述，本发明的无霜型溶液热泵装置包括空气回路、溶液回路和制冷剂回路。The technical scheme of the present invention will be further described in conjunction with accompanying drawings 1 and 2. The frost-free solution heat pump device of the present invention includes an air circuit, a solution circuit and a refrigerant circuit.
如图1所示，空气回路由第一风机1、第二风机2、第三风机3、第一风阀4、第二风阀5、第三风阀6、第四风阀7、第一热交换器9、第二热交换器10、1#溶液式热质交换器20、2#溶液式热质交换器21和集风静压箱23组成，包括两个子回路。一方面利用室外空气与1#溶液式热质交换器内溶液做热湿交换，另一方面从房间出来的回风和室外新风通过风阀调节流量混合后进入2#溶液式热质交换器进行处理，混合部分回风送入室内，系统排风与制冷剂进行热交换后排出室外。As shown in Figure 1, the air circuit consists of the first fan 1, the second fan 2, the third fan 3, the first damper 4, the second damper 5, the third damper 6, the fourth damper 7, the first damper The heat exchanger 9, the second heat exchanger 10, the 1# solution-type heat-mass exchanger 20, the 2# solution-type heat-mass exchanger 21 and the air collecting static pressure tank 23 consist of two sub-circuits. On the one hand, the outdoor air is used to exchange heat and moisture with the solution in the 1# solution-type heat-mass exchanger; The mixed part of the return air is sent into the room, and the system exhaust air exchanges heat with the refrigerant and then is discharged outside.
第一个空气子回路，风管A连接1#溶液式热质交换器的集风静压箱25和第三风机3；第二个空气子回路，2#溶液式热质交换器远离1#溶液式热质交换器一侧的集风静压箱25接入混合风管J，混合风管J连接室外新风管E和回风管H，且室外新风管E上连接第二热交换器10；2#溶液式热质交换器靠近1#溶液式热质交换器一侧的集风静压箱25连接混合风出口F，混合风出口F连接送风管I和第四风阀4，送风管I连接第一风机1，第一风机1出风口连接安置于室内的送风口K，第四风阀4左侧分别连接回风管G与风管D，回风管G和回风管H并联连接，后和第二风机2连接，第二风机2连接室内回风口L，风管D连接第一热交换器9。The first air sub-circuit, air duct A is connected to the air collecting static pressure box 25 of the 1# solution heat-mass exchanger and the third fan 3; the second air sub-circuit, the 2# solution heat-mass exchanger is far away from 1# The air-collecting static pressure box 25 on one side of the solution-type heat-mass exchanger is connected to the mixing air duct J, and the mixing air duct J is connected to the outdoor fresh air duct E and the return air duct H, and the outdoor fresh air duct E is connected to the second heat exchanger. Device 10; 2# solution-type heat-mass exchanger is close to 1# solution-type heat-mass exchanger side air collecting static pressure tank 25 is connected to mixed air outlet F, and mixed air outlet F is connected to air supply pipe I and fourth air valve 4 , the air supply pipe I is connected to the first fan 1, the air outlet of the first fan 1 is connected to the air supply outlet K installed in the room, the left side of the fourth air valve 4 is respectively connected to the return air pipe G and the air pipe D, the return air pipe G and the return air pipe The air duct H is connected in parallel, and then connected to the second fan 2, the second fan 2 is connected to the indoor air return port L, and the air duct D is connected to the first heat exchanger 9.
所述回风管H上设有第一风阀4，送风管I上设有第二风阀5，回风管G上设有第三风阀6。The air return pipe H is provided with a first air valve 4, the air supply pipe I is provided with a second air valve 5, and the air return pipe G is provided with a third air valve 6.
第一个空气子回路的室外空气由1#溶液式热质交换器20的网孔填料隔板32进入1#溶液式热质交换器20，之后通过风管A流至第三风机3，最后由空气出口B排至室外；第二个空气子回路的室外新风经室外新风管E流入第二热交换器10后与回风管H中的回风混合并由混合风管J经网孔填料隔板32送入2#溶液式热质交换器21，然后2#溶液式热质交换器21内空气进入集风静压箱23并从混合风出口F流出，与通过回风管G、第四风阀7中的部分回风混合后从送风管I经第二风阀5和第一风机1由送风口K送入室内；室内回风由回风口L经第二风机2分成两部分，一部分经第一风阀4、回风管H与流经室外新风管E内空气混合后由混合风管J进入2#溶液式热质交换器21，另一部分经第三风阀6、回风管G后分两路，一路经第四风阀7与混合出风口F的空气混合，另一路经风管D通过第一热交换器9从排风口C排至大气。The outdoor air of the first air sub-circuit enters the 1# solution heat exchanger 20 from the mesh filler partition 32 of the 1# solution heat exchanger 20, and then flows to the third fan 3 through the air pipe A, and finally The outdoor fresh air of the second air sub-circuit flows into the second heat exchanger 10 through the outdoor fresh air pipe E, mixes with the return air in the return air pipe H, and passes through the mesh from the mixing air pipe J The filler partition 32 is sent into the 2# solution-type heat-mass exchanger 21, and then the air in the 2# solution-type heat-mass exchanger 21 enters the air-collecting static pressure box 23 and flows out from the mixed air outlet F, and passes through the return air duct G, Part of the return air in the fourth air valve 7 is mixed and sent into the room from the air supply pipe I through the second air valve 5 and the first fan 1 through the air supply port K; the indoor return air is divided into two parts by the return air port L through the second fan 2. Part, one part passes through the first air valve 4, the return air pipe H and the air flowing through the outdoor fresh air pipe E, and then enters the 2# solution heat-mass exchanger 21 through the mixing air pipe J, and the other part passes through the third air valve 6 1. The air return pipe G is divided into two paths, one path is mixed with the air from the air outlet F through the fourth air valve 7, and the other path is discharged to the atmosphere from the air outlet C through the first heat exchanger 9 through the air pipe D.
溶液回路由第一溶液泵17、第二溶液泵18、溶液管α、溶液管γ、1#溶液式热质交换器20、2#溶液式热质交换器21、溶液热回收器22组成。1#溶液式热质交换器20连接溶液管α和溶液管δ，溶液管α上设有第一溶液泵17，2#溶液式热质交换器21连接溶液管γ和溶液管β，溶液管γ上设有第二溶液泵18，溶液管α、溶液管γ、溶液管δ、和溶液管β均连接进行显热交换的溶液热回收器22。The solution loop is composed of the first solution pump 17, the second solution pump 18, the solution pipe α, the solution pipe γ, the 1# solution heat and mass exchanger 20, the 2# solution heat and mass exchanger 21, and the solution heat recovery device 22. 1# solution-type heat-mass exchanger 20 is connected to solution pipe α and solution pipe δ, solution pipe α is provided with a first solution pump 17, 2# solution-type heat-mass exchanger 21 is connected to solution pipe γ and solution pipe β, solution pipe A second solution pump 18 is provided on γ, and solution pipe α, solution pipe γ, solution pipe δ, and solution pipe β are all connected to a solution heat recovery device 22 for sensible heat exchange.
溶液回路由第一溶液泵17、第二溶液泵18、1#溶液式热质交换器20、2#溶液式热质交换器21、溶液热回收器22组成。溶液由1#溶液式热质交换器20中的集液盘26流出，通过溶液管路α由第一溶液泵17加压进入溶液热回收器22后经溶液管路β进入2#溶液式热质交换器21中的下部溶液储存箱28，然后从溶液管29上升至上部溶液储存箱28，随后从溶液管33向下流，聚集于溶液储液盘24并通过网孔布液板34均匀下渗沿散装填料30回到2#溶液式热质交换器20的集液盘26，随后通过溶液管路γ由第二溶液泵18输送到溶液热回收器22，之后通过溶液管路δ到达1#溶液式热质交换器20中的溶液储存箱28，然后从1#溶液式热质交换器20的溶液管29上升至其溶液储存箱28，随后从其溶液管29向下流，聚集于溶液储液盘24并通过网孔布液板34均匀下渗沿散装填料30回到1#溶液式热质交换器20的集液盘26，完成整个溶液循环。The solution circuit is composed of the first solution pump 17 , the second solution pump 18 , the 1# solution type heat and mass exchanger 20 , the 2# solution type heat and mass exchanger 21 , and the solution heat recovery device 22 . The solution flows out from the liquid collection tray 26 in the 1# solution heat-mass exchanger 20, and enters the solution heat recovery device 22 through the solution pipeline α by the first solution pump 17, and then enters the 2# solution heat recovery device through the solution pipeline β. The lower solution storage tank 28 in the mass exchanger 21 then rises from the solution pipe 29 to the upper solution storage tank 28, then flows downward from the solution pipe 33, gathers in the solution storage pan 24 and passes through the mesh liquid distribution plate 34 to evenly descend Seep along the bulk packing 30 and get back to the liquid collection pan 26 of the 2# solution heat-mass exchanger 20, then transport it to the solution heat recovery device 22 by the second solution pump 18 through the solution pipeline γ, and then reach 1 through the solution pipeline δ #The solution storage tank 28 in the solution type heat mass exchanger 20 rises to its solution storage tank 28 from the solution pipe 29 of the 1# solution type heat mass exchanger 20 then, flows down from its solution pipe 29 subsequently, gathers in the solution The liquid storage tray 24 evenly infiltrates down through the mesh liquid distribution plate 34 and returns to the liquid collection tray 26 of the 1# solution heat-mass exchanger 20 along the bulk packing 30 to complete the entire solution circulation.
制冷剂回路由制冷剂管a、制冷剂管b、制冷剂管c、制冷剂管d、制冷剂管e、制冷剂管f、制冷剂管g、压缩机8、第一热交换器9、第二热交换器10、第一制冷剂阀11、第二制冷剂阀12、第三制冷剂阀13、第四制冷剂阀14、第一膨胀阀15、第二膨胀阀16、四通换向阀19、1#溶液式热质交换器20、2#溶液式热质交换器21组成。The refrigerant circuit consists of refrigerant pipe a, refrigerant pipe b, refrigerant pipe c, refrigerant pipe d, refrigerant pipe e, refrigerant pipe f, refrigerant pipe g, compressor 8, first heat exchanger 9, Second heat exchanger 10, first refrigerant valve 11, second refrigerant valve 12, third refrigerant valve 13, fourth refrigerant valve 14, first expansion valve 15, second expansion valve 16, four-way switch Composed of valve 19, 1# solution heat and mass exchanger 20, and 2# solution heat and mass exchanger 21.
1#溶液式热质交换器的上部制冷剂储存箱27连接制冷剂管b，制冷剂管b连接四通换向阀19，四通换向阀19还连接有制冷剂管a、制冷剂管d和制冷剂管c，制冷剂管a连接压缩机8回到制冷剂管c，制冷剂管d连接2#溶液式热质交换器21的上部制冷剂储存箱27，2#溶液式热质交换器的上部制冷剂储存箱27和下部制冷剂储存箱27依靠制冷剂套管31连接，下部制冷剂储存箱27通过制冷剂管g一路连接第三制冷剂阀13，另一路连接第四制冷剂阀14和第二热交换器10，且制冷剂管g上设有第二膨胀阀16，两路并联后通过制冷剂管f一路连接第二制冷剂阀12，一路连接第一热交换器9和第一制冷剂阀11，两路并联后由制冷剂管e连接1#溶液式热质交换器中的下部制冷剂储存箱27，且制冷剂管e上设有第一膨胀阀。The upper refrigerant storage tank 27 of the 1# solution heat-mass exchanger is connected to the refrigerant pipe b, and the refrigerant pipe b is connected to the four-way reversing valve 19, and the four-way reversing valve 19 is also connected to the refrigerant pipe a, the refrigerant pipe d and refrigerant pipe c, refrigerant pipe a is connected to compressor 8 and returned to refrigerant pipe c, refrigerant pipe d is connected to the upper refrigerant storage tank 27 of 2# solution-type heat-mass exchanger 21, and 2# solution-type heat-mass The upper refrigerant storage tank 27 and the lower refrigerant storage tank 27 of the exchanger are connected by the refrigerant sleeve 31, and the lower refrigerant storage tank 27 is connected to the third refrigerant valve 13 through the refrigerant pipe g, and the other is connected to the fourth refrigerant valve 13. The refrigerant valve 14 and the second heat exchanger 10, and the refrigerant pipe g is provided with a second expansion valve 16, and after the two routes are connected in parallel, one route is connected to the second refrigerant valve 12 through the refrigerant pipe f, and the route is connected to the first heat exchanger 9 and the first refrigerant valve 11 are connected in parallel to the lower refrigerant storage tank 27 in the 1# solution heat-mass exchanger through the refrigerant pipe e, and the refrigerant pipe e is provided with a first expansion valve.
制冷剂在制冷剂套管内对溶液进行预冷/预热的同时，也在热质交换器中起着内冷/内热的作用。制冷剂在溶液式热质交换器、热交换器、膨胀阀、压缩机的环路中循环，完成整个回路工作。While the refrigerant pre-cools/preheats the solution in the refrigerant jacket, it also plays the role of internal cooling/internal heating in the heat-mass exchanger. Refrigerant circulates in the loop of the solution heat-mass exchanger, heat exchanger, expansion valve, and compressor to complete the entire loop.
制冷剂回路由制冷剂管a、制冷剂管b、制冷剂管c、制冷剂管d、制冷剂管e、制冷剂管f、制冷剂管g、压缩机8、第一热交换器9、第二热交换器10、制冷剂阀11、制冷剂阀12、制冷剂阀13、制冷剂阀14、第一膨胀阀15、第二膨胀阀16、四通换向阀19、1#溶液式热质交换器20、2#溶液式热质交换器21。冬季时，制冷剂由1#溶液式热质交换器20中制冷剂储存箱27流出经制冷剂管b流入四通换向阀19并由制冷剂管a流至压缩机8，接着流经制冷剂管c流入四通换向阀19并由制冷剂管d进入2#溶液式热质交换器21的上部制冷剂储存箱27，通过2#溶液式热质交换器21中的制冷剂套管31流至下部制冷剂储存箱27，然后流过第二膨胀阀16经制冷管g和制冷剂阀14进入第二热交换器10，随后流经制冷剂管路f和制冷剂阀12，后经制冷剂管e和第一膨胀阀15流入1#溶液式热质交换器20中的下部制冷剂储存箱27，再经1#溶液式热质交换器20的制冷剂套管31回到1#溶液式热质交换器20中的上部制冷剂储存箱27完成整个循环。夏季时，制冷剂由2#溶液式热质交换器21中上部制冷剂储存箱27流出经制冷剂管d流入四通换向阀19并由制冷剂管a流至压缩机8，接着流经制冷管c流入四通换向阀19并由制冷剂管b进入1#溶液式热质交换器20的上部制冷剂储存箱27，通过1#溶液式热质交换器20中的制冷剂套管31流至下部制冷剂储存箱27，然后流过第一膨胀阀15经制冷管e和制冷剂阀11进入第一热交换器9，随后流经制冷剂管f、制冷剂阀13、制冷剂管g、第二膨胀阀16流入2#溶液式热质交换器21中的下部制冷剂储存箱27，再经制冷剂套管31回到2#溶液式热质交换器21的上部制冷剂储存箱27完成整个循环。The refrigerant circuit consists of refrigerant pipe a, refrigerant pipe b, refrigerant pipe c, refrigerant pipe d, refrigerant pipe e, refrigerant pipe f, refrigerant pipe g, compressor 8, first heat exchanger 9, Second heat exchanger 10, refrigerant valve 11, refrigerant valve 12, refrigerant valve 13, refrigerant valve 14, first expansion valve 15, second expansion valve 16, four-way reversing valve 19, 1# solution type Heat mass exchanger 20, 2# solution type heat mass exchanger 21. In winter, the refrigerant flows out of the refrigerant storage tank 27 in the 1# solution heat-mass exchanger 20, flows into the four-way reversing valve 19 through the refrigerant pipe b, flows into the compressor 8 through the refrigerant pipe a, and then flows through the refrigeration The refrigerant pipe c flows into the four-way reversing valve 19 and enters the upper refrigerant storage tank 27 of the 2# solution-type heat-mass exchanger 21 through the refrigerant pipe d, and passes through the refrigerant sleeve in the 2# solution-type heat-mass exchanger 21 31 flows to the lower refrigerant storage tank 27, then flows through the second expansion valve 16, enters the second heat exchanger 10 through the refrigerant pipe g and the refrigerant valve 14, then flows through the refrigerant pipeline f and the refrigerant valve 12, and then Flow into the lower refrigerant storage tank 27 in the 1# solution heat-mass exchanger 20 through the refrigerant pipe e and the first expansion valve 15, and then return to 1 through the refrigerant sleeve 31 of the 1# solution heat-mass exchanger 20 #The upper refrigerant storage tank 27 in the solution heat and mass exchanger 20 completes the whole cycle. In summer, the refrigerant flows out from the upper refrigerant storage tank 27 of the 2# solution heat-mass exchanger 21, flows through the refrigerant pipe d into the four-way reversing valve 19, and flows from the refrigerant pipe a to the compressor 8, and then flows through The refrigeration pipe c flows into the four-way reversing valve 19 and enters the upper refrigerant storage tank 27 of the 1# solution heat-mass exchanger 20 through the refrigerant pipe b, and passes through the refrigerant sleeve in the 1# solution heat-mass exchanger 20 31 flows to the lower refrigerant storage tank 27, then flows through the first expansion valve 15, enters the first heat exchanger 9 through the refrigerant pipe e and refrigerant valve 11, and then flows through the refrigerant pipe f, refrigerant valve 13, refrigerant Pipe g and the second expansion valve 16 flow into the lower refrigerant storage tank 27 of the 2# solution-type heat-mass exchanger 21, and then return to the upper refrigerant storage tank of the 2# solution-type heat-mass exchanger 21 through the refrigerant sleeve 31 Box 27 completes the entire cycle.
如图2所示，溶液式热质交换器，包括溶液储液盘24、集风静压箱25、集液盘26、制冷剂储存箱27、溶液储存箱28、溶液管29、散装填料30、制冷剂套管31、网孔填料隔板32、溶液通道33、网孔布液板34、热湿处理箱35。As shown in Figure 2, the solution type heat and mass exchanger includes a solution liquid storage pan 24, an air collecting static plenum box 25, a liquid pan 26, a refrigerant storage tank 27, a solution storage tank 28, a solution pipe 29, and a bulk packing 30 , Refrigerant casing 31, mesh filler partition 32, solution channel 33, mesh liquid distribution plate 34, heat and humidity treatment box 35.
溶液式热质交换器顶部和底部均为溶液储存箱28，上下溶液储存箱28通过溶液管29连通，且上下溶液储存箱28之间为上下制冷剂储存箱27，上下制冷剂储存箱27中间为热湿处理箱35，且热湿处理箱35内设制冷剂套管31，所述制冷剂套管31包裹溶液管29，热湿处理箱35内填充散装填料30。热湿处理箱左右为网孔填料隔板32，分别外接集风静压箱25，热湿处理箱前后为钢板，热湿处理箱35内顶端设网孔布液板34。溶液储存箱28与溶液储液盘24之间设有溶液通道33。The top and bottom of the solution type heat-mass exchanger are solution storage tanks 28, the upper and lower solution storage tanks 28 are connected through solution pipes 29, and the upper and lower solution storage tanks 28 are the upper and lower refrigerant storage tanks 27, and the upper and lower refrigerant storage tanks 27 are in the middle It is a heat and humidity treatment box 35, and the heat and humidity treatment box 35 is provided with a refrigerant sleeve 31, and the refrigerant sleeve 31 wraps the solution pipe 29, and the heat and humidity treatment box 35 is filled with bulk packing 30. The left and right sides of the heat and humidity treatment box are mesh filler partitions 32, which are respectively connected to the air collecting plenum 25, the front and back of the heat and humidity treatment box are steel plates, and the top in the heat and humidity treatment box 35 is equipped with a mesh liquid distribution plate 34. A solution channel 33 is provided between the solution storage tank 28 and the solution storage tray 24 .
无霜型溶液热泵系统将预冷蒸发除湿一体化和预热冷凝再生一体化，是一种节能高效的复合型系统装置，既可提高性能、节约能耗，又可节省装置所需空间，同时解决了传统空调冬季结霜的问题，使得系统可以持续高效供热。The frost-free solution heat pump system integrates pre-cooling, evaporation, dehumidification and pre-heating, condensation and regeneration. It is an energy-saving and efficient composite system device. It solves the problem of frosting in traditional air conditioners in winter, enabling the system to provide continuous and efficient heating.
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